The zipfile format is the most popular form of data storage. It is widely used for backup and transfer of information over the internet. As any format with a well-defined structure, it is highly sensitive to corruptions.Author:DiskInternals ResearchDate: 23 January, 2005 OS Support: Windows 2000 , Windows 95 , Windows 98 , Windows Millennium , Windows NT , Windows XP

Simply drag and drop the files (or folders) that you want to zip (create archive) onto the program icon. A zipfile with the same name (and a .zip) will appear in the same location.Author:gotoes.orgDate: 09 August, 2012 OS Support: Mac

Zip Lock is a small, simple application specially designed to help you protect your files. Run your Zipfile through this program and the output will be a jumbled mess that will only straighten out if you supply the proper password.Author:ABBS SoftwareDate: 11 October, 2012 OS Support: WindowsAll